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(PowerShell) Update CSV FileDemonstrates how to read a CSV, update some cells, and save. The Chilkat CSV library/component/class is freeware. The downloads for .NET, C++, Perl, Java, Ruby, and Python contain all of the Chilkat classes, some of which are freeware and some of which require licensing.
Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll" # This example program loads a file (sample.csv) # that contains this content: # # year,color,country,food # 2001,red,France,cheese # 2005,blue,"United States",hamburger # 2008,green,Italy,pasta # 1998,orange,Japan,sushi # # The first row contains the column names. # This file is available at: # http://www.chilkatsoft.com/testData/sample.csv $csv = New-Object Chilkat.Csv # Prior to loading the CSV file, indicate that the 1st row # should be treated as column names: $csv.HasColumnNames = $true # Load the CSV records from the file: $success = $csv.LoadFile("sample.csv") if ($success -ne $true) { $($csv.LastErrorText) exit } # Change "cheese" to "baguette" # ("cheese" is at row=0, column=3 $success = $csv.SetCell(0,3,"baguette") # Change "blue" to "magenta" $success = $csv.SetCell(1,1,"magenta") # Write the updated CSV to a string and display: $csvDoc = $csv.SaveToString() $($csvDoc) # Save the CSV to a file: $success = $csv.SaveFile("out.csv") if ($success -ne $true) { $($csv.LastErrorText) } |
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